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c4e54a6571
Now that we're passing in the trans into btrfs_clean_tree_block, we can easily roll in the handling of the !trans case and replace all occurrences of if (test_and_clear_bit(EXTENT_BUFFER_DIRTY, &eb->bflags)) clear_extent_buffer_dirty(eb); with btrfs_tree_lock(eb); btrfs_clean_tree_block(eb); btrfs_tree_unlock(eb); We need the lock because if we are actually dirty we need to make sure we aren't racing with anything that's starting writeout currently. This also makes sure that we're accounting fs_info->dirty_metadata_bytes appropriately. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: David Sterba <dsterba@suse.com> |
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.